Classified Info The unauthorized removal of classified information from the workplace is one action of an insider threat. A “secret” cover sheet typically designates a folder that contains classified material that can be viewed only by those with proper clearance. This folder contains no classified material, however, and the cover sheet itself is unclassified. SHARE: Download: Full Size (3 MB) Credit: C. Todd Lopez, DOD VIRIN: 190827-D-NU123-002.JPG Photo Gallery